Keys and passwords must be long. yet most personal identification numbers (pins) that you type when you use a debit card are only four or six characters long. yet this is safe. why?

Octothorpe is another name for what common computer keyboard symbol?

The fourth generation of computers emerged between 1970s and 1980s. which technological advancement brought about this generation of computers? which computer architecture was used most in this generation?

Simon says is a memory game where "simon" outputs a sequence of 10 characters (r, g, b, y) and the user must repeat the sequence. create a for loop that compares the two strings. for each match, add one point to user_score. upon a mismatch, end the game. sample output with inputs: 'rrgbryybgy' 'rrgbbrybgy'